hi folks am i right in thinking that if a three phase supply is tt the main switch in the tpn distribution board must be 4 pole?
Discuss 4 pole isolater in the Electrician Talk | All Countries area at ElectriciansForums.net
Reply to 4 pole isolater in the Electrician Talk | All Countries area at ElectriciansForums.net
We get it, advertisements are annoying!
Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.